clickTracker  = {
	start : function(server,pageUrl,pageCentered,pageWidth,moreInfo,logserver,leadboardId) {
		
		this.logServer = (logserver) ? logserver : 'http://cct.dot.seznam.cz/';
		this.server = (server) ? server : null;
		this.pageUrl = (pageUrl) ? pageUrl : document.location.href;
		this.pageCentered = (pageCentered) ? true : false;
		this.pageWidth = (pageWidth) ? pageWidth : null;
		this.moreInfo = (moreInfo) ? moreInfo : null;
		this.windowW = document.body.clientWidth;
		this.windowH = document.body.clientHeight;
		this.leadboardId = (leadboardId) ? leadboardId : null;
		
		if (navigator.userAgent.indexOf('MSIE 5') != -1) { this.windowW -= 21; }
		if (navigator.userAgent.indexOf('MSIE')!= -1) {
			document.attachEvent('onclick',clickTracker.logger); 
			var cImpress = new Image;
			cImpress.src = clickTracker.logServer+"?type=impress&server="+clickTracker.server+"&page="+escape(clickTracker.pageUrl)+"&more="+clickTracker.moreInfo;
		}
	},
	logger : function() {
		if (window.event) {
			var e = window.event;
			var cPosX = 0;
			var cPosY = 0;
			var bTop = document.body.scrollTop;
			var bLeft = document.body.scrollLeft;
			
			var leadboardId = null;
			if (clickTracker.leadboardId != null) {
				leadboardId = document.getElementById(clickTracker.leadboardId);
			}

			var leaderH = -1;
			if(leadboardId != null) {
				leaderH = leadboardId.offsetHeight;
			}
			
			
			if (document.documentElement.scrollTop) { bTop = document.documentElement.scrollTop; }
			if (document.documentElement.scrollLeft) { bLeft = document.documentElement.scrollLeft; }
			
			pageX = cPosX = e.clientX + bLeft;
			pageY = cPosY = e.clientY + bTop;
			
			// osetreni centrovane stranky
			if (clickTracker.pageCentered == true) { pageX = cPosX - (Math.round((clickTracker.windowW-clickTracker.pageWidth) / 2)); }
			
			// kam uzivatel klikl
			var tg = (e.target) ? e.target : e.srcElement;
			if ((tg.nodeName.toLowerCase() != "a") && (tg.parentNode.nodeName.toLowerCase() == "a")) { tg = tg.parentNode; }
			if (typeof(tg.href) == "undefined") { var destUrl = "null"; } else {  var destUrl = tg.href; }
			
			// count Image
			var cImg = new Image;
			cImg.src = clickTracker.logServer+"?type=click&server="+clickTracker.server+"&page="+escape(clickTracker.pageUrl)+"&x="+pageX+"&y="+pageY+"&destUrl="+escape(destUrl)+"&winWidth="+clickTracker.windowW+"&winHeight="+clickTracker.windowH+"&more="+clickTracker.moreInfo + ((leaderH != -1 && leaderH != 0) ? "&leaderHeight="+leaderH : "");
			
		}
	}
}
clickTracker.start('www.sprace.cz',null,true,880,null,null,'adWide');